CN109707410A - Wisdom sensing type tunnel-liner support structural system - Google Patents
Wisdom sensing type tunnel-liner support structural system Download PDFInfo
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- CN109707410A CN109707410A CN201910040081.0A CN201910040081A CN109707410A CN 109707410 A CN109707410 A CN 109707410A CN 201910040081 A CN201910040081 A CN 201910040081A CN 109707410 A CN109707410 A CN 109707410A
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Abstract
A kind of wisdom sensing type tunnel-liner support structural system, radially outermost is Tunnel structure sheaf, centre is that tunnel deformation coordinates sensing layer, most inner side is Tunnel Second Lining supporting construction layer, tunnel deformation, which coordinates sensing layer, can either provide deformation space for preliminary bracing malformation and provide the monitoring data of liner structure safe condition for tunnel maintenance management decision, the tunnel reinforcement layer of phase can be runed as tunnel again to supplement, increase tunnel lining structure intensity, to be advantageously implemented the intelligence of tunnel-liner support structure, controllableization and informationization.
Description
Technical field
The invention belongs to Tunnel Engineering and city underground engineering technical field, especially a kind of wisdom sensing type tunnel-liner
Supporting structure system, radially outermost is preliminary bracing structure sheaf, and centre is compatibility of deformation sensing layer, most inner side two
Secondary liner supporting structure sheaf, tunnel deformation coordination sensing layer can either provide deformation space for preliminary bracing malformation and be tunnel
Road maintenance management decision provides the monitoring data of liner structure safe condition, and the tunnel that can run the phase as tunnel adds
Gu layer is to supplement, increase tunnel lining structure intensity, to be advantageously implemented the intelligent, controllable of tunnel-liner support structure
Change and informationization.
Background technique
It is grasped currently, tunnel-liner support structure has that structure stress process is unclear, safe condition variation is difficult,
So that will until tunnel lining structure occur unstability or it is dangerous when structure problem be just identified, at this moment can only just take by
Dynamic safeguard procedures.In tunnel-liner support design the functional localization of each liner structure layer, loading sharing ratio in construction by
It is supported in no data and is difficult to implement, caused tunnel lining structure actual forced status and design inconsistent, carry it excessively
Or it is excessively safe, in fact cause potential risk.The inventors discovered that the development of Study On Intelligent Monitoring Techniques, informationization technology, promotees
Pay attention to Tunnel Engineering technical staff increasingly tunnel lining structure long-term safety, tunnel structure engineering and wisdom perceive skill
The depth intersection fusion of art is also more more and more urgent.Inventors believe that by by monitoring technology and tunnel structure support theory phase
In conjunction with mode, solve Tunnel Engineering design and construction in problem encountered, meanwhile, provide length for tunnel maintenance management
The support of phase monitoring data is the important channel and direction of Tunnel Engineering development.Therefore, the present inventor completes the present invention.
Summary of the invention
It is radially outermost it is an object of the invention to establish a kind of wisdom sensing type tunnel-liner support structural system
Side is preliminary bracing structure sheaf, and centre is compatibility of deformation sensing layer, and most inner side is secondary lining supporting construction layer, tunnel deformation association
Adjust sensing layer that can either provide deformation space for preliminary bracing malformation and provide lining cutting for tunnel maintenance management decision
The monitoring data of structure safe condition, and the tunnel reinforcement layer of phase can be runed as tunnel to supplement, increase tunnel-liner
Structural strength, to be advantageously implemented the intelligent of tunnel-liner support structure, controllableization and informationization.
Technical solution of the present invention is as follows:
Wisdom sensing type tunnel-liner support structural system, which is characterized in that radially compatibility of deformation sensing layer position
Between preliminary bracing structure sheaf and secondary lining supporting construction layer.
The compatibility of deformation sensing layer includes several buffering compatible deformation structures being circumferentially distributed, and the buffering is coordinated
Distressed structure is embedded between the preliminary bracing structure sheaf and the secondary lining supporting construction layer, the buffering compatible deformation
Test equipment is provided in structure.
The test equipment includes stress test, strain or displacement measurement and image measurement.
The test equipment connects wisdom sensory perceptual system, the wisdom sensory perceptual system packet by wired or wireless transmitting device
It includes data acquisition module, data analysis module and structure safe condition and judges module.
The data collecting module collected data include Tunnel structural internal force data, deformation or displacement data,
Pressure data between Tunnel structure and Tunnel Second Lining supporting construction, Tunnel Second Lining Internal force of support structure number
According to and tunnel deformation coordinate sensing layer shrinkage data；The data analysis module integrating tunnel preliminary bracing malformation
Or displacement data, or observing and controlling is apparently carried out to Tunnel structure with photography technology, to Tunnel structure
Deformation state and trend are predicted；The structure safe condition judges module according to each structure sheaf index parameter in tunnel and material
Parameter and test data realize the judge to each layer liner supporting structure safe condition in tunnel.
The spandrel and vault of the secondary lining supporting construction layer have the reserved injected hole for coordination structure supporting role,
The reserved injected hole is connected to the compatibility of deformation sensing layer.
When both the preliminary bracing structure sheaf and secondary lining supporting construction layer can satisfy tunnel structure security needs
When, tunnel load is mainly undertaken by the two, and the compatibility of deformation sensing layer is as tunnel lining structure safety state information
Sensing layer carries out implementing monitoring to tunnel safety state, and provides deformation space for Tunnel malformation；Work as institute
When stating preliminary bracing structure sheaf rate of deformation and accelerating, or without tending towards stability trend or liner supporting structure sheaf is in unstability shape, or
When the secondary lining supporting construction layer carrying exceeds a certain range without being able to satisfy security needs, then the compatibility of deformation perception
Layer is converted to tunnel bearing structure layer by the reserved injected hole joints cement slurries or concrete material, participates in tunnel and holds
It carries, shares the preliminary bracing structure sheaf and the secondary lining supporting construction layer load, to ensure tunnel structure safety.
The spandrel and vault of the secondary lining supporting construction layer have the reserved injected hole for coordination structure supporting role,
Via reserved injected hole casting concrete, enhance the bearing capacity of liner structure, it is secondary to share Tunnel structure, tunnel
Liner supporting structural load.
The Tunnel Second Lining supporting construction layer uses pouring type reinforced concrete structure form.
It is the high-strength light for having self-compaction characteristic that the tunnel deformation, which coordinates the concrete material that the sensing layer later period pours,
Concrete material.
Conventional bolt-mesh-spurting supporting structure type can be used in the preliminary bracing structure sheaf.
Technical effect of the invention is as follows: wisdom sensing type tunnel-liner support structural system of the present invention, radially
Outermost is preliminary bracing structure sheaf, and centre is compatibility of deformation sensing layer, and most inner side is secondary lining supporting construction layer, deformation association
Adjusting sensing layer is the core of wisdom sensing type tunnel-liner support structure, is tunnel-liner support structure stress acquisition of information, is
Preliminary bracing structure provides deformation and adjusts the layer position of each layer supporting construction carrying；With compatible deformation (non-bearing), carrying, fortune
The function that battalion's phase tunnel maintenance is reinforced.
The present invention has a characteristic that 1, wisdom sensing type tunnel-liner support structural system has tunnel life cycle management
Constructional aspect perception, liner structure compatibility of deformation and carrying regulation function, realize tunnel-liner support structure intelligence, can
Controlization and informationization.2, wisdom sensing type tunnel-liner support structural system, which coordinates sensing layer by tunnel deformation, to monitor in real time
The deformation of Tunnel structure sheaf and Tunnel Second Lining supporting construction layer and carrying situation simultaneously carry out real-time judge, realize
To the real time monitoring of tunnel structure safe condition.3, wisdom sensing type tunnel-liner support structural system passes through setting tunnel deformation
Coordinate sensing layer tunable, the deformation of control Tunnel structure sheaf and Tunnel Second Lining supporting construction layer and carrying ratio
Example, and this coordination, control can adjust and control after default, constructing tunnel in the design phase.4, wisdom sensory perceptual system can be
Operation maintenance in tunnel provides completely liner supporting structure control information, provides data branch for tunnel maintenance management decision
Support；Tunnel deformation, which coordinates sensing layer, can be used as tunnel operation phase tunnel reinforcement layer, and supplement increases tunnel lining structure intensity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for implementing wisdom sensing type tunnel-liner support structural system of the present invention.
Appended drawing reference lists as follows: 1- preliminary bracing structure sheaf；2- compatibility of deformation sensing layer；3- secondary lining supporting construction
Layer；4- buffers compatible deformation structure；5- test equipment；6- reserves injected hole；The tunnel 7- center line；8- tunnel surrounding；9- system
Anchor pole；The spandrel of 10- secondary lining supporting construction layer；The vault of 11- secondary lining supporting construction layer.
Specific embodiment
With reference to the accompanying drawing (Fig. 1) the present invention will be described.
Fig. 1 is the structural schematic diagram for implementing wisdom sensing type tunnel-liner support structural system of the present invention.As shown in Figure 1,
Wisdom sensing type tunnel-liner support structural system, radially compatibility of deformation sensing layer 2 be located at preliminary bracing structure sheaf 1 with
Between secondary lining supporting construction layer 3.The compatibility of deformation sensing layer 2 includes several buffering compatible deformations being circumferentially distributed
Structure 4, the buffering compatible deformation structure 4 are embedded in the preliminary bracing structure sheaf 1 and the secondary lining supporting construction layer 3
Between, test equipment 5 is provided in the buffering compatible deformation device 4.The test equipment 5 is filled by wired or wireless transmission
Connection wisdom sensory perceptual system is set, the wisdom sensory perceptual system includes data acquisition module, data analysis module and the safe shape of structure
Condition judges module.The data collecting module collected data include Tunnel structural internal force data, deformation or displacement number
According to, pressure data between Tunnel structure and Tunnel Second Lining supporting construction, Tunnel Second Lining Internal force of support structure
Data and tunnel deformation coordinate sensing layer shrinkage data；The data analysis module integrating tunnel preliminary bracing structure becomes
Shape or displacement data, or observing and controlling is apparently carried out to Tunnel structure with photography technology, to Tunnel structure
Deformation state and trend predicted；The structure safe condition judges module according to each structure sheaf index parameter in tunnel and material
Expect parameter and test data, realizes the judge to each layer liner supporting structure safe condition in tunnel.The test equipment 5 includes answering
Power test, strain or displacement measurement and image measurement.
It is needed when both the preliminary bracing structure sheaf 1 and secondary lining supporting construction layer 3 can satisfy tunnel structure safely
When wanting, tunnel load is mainly undertaken by the two, and the compatibility of deformation sensing layer 2 is believed as tunnel lining structure safe condition
Sensing layer is ceased, implementing monitoring is carried out to tunnel safety state, and provide deformation space for Tunnel malformation；When
When 1 rate of deformation of preliminary bracing structure sheaf accelerates, or without tending towards stability trend or liner supporting structure sheaf is in unstability
When shape or the secondary lining supporting construction layer 3 carrying exceed a certain range without being able to satisfy security needs, then the deformation is assisted
It adjusts sensing layer 2 to be converted to tunnel bearing structure layer by the reserved 6 joints cement slurries of injected hole or concrete material, participates in
Tunnel carrying, shares the preliminary bracing structure sheaf 1 and 3 load of secondary lining supporting construction layer, to ensure tunnel knot
Structure safety.The spandrel 10 and vault 11 of the secondary lining supporting construction layer have the reserved slip casting for coordination structure supporting role
Hole 6, the reserved injected hole 6 are connected to the compatibility of deformation sensing layer 2, via reserved 6 casting concrete of injected hole, enhance lining cutting
The bearing capacity of structure shares Tunnel structure, Tunnel Second Lining supporting construction load.The concrete material is
The light high strength concrete material for having self-compaction characteristic.Conventional bolt-mesh-spurting supporting can be used in the preliminary bracing structure sheaf 1
Structure type.System anchor bolt 9 is applied in the tunnel surrounding 8.
Wisdom sensing type tunnel-liner support structural system, including Tunnel structure sheaf 1, tunnel deformation coordinate sense
Know that layer 2 and Tunnel Second Lining supporting construction layer 3, the tunnel deformation coordinate sensing layer 2 mainly by buffering compatible deformation structure
4, the composition such as concrete (can according to circumstances select) that test equipment 5, reserved injected hole 6 and later period pour.The tunnel deformation
Coordinate the pre-buried test equipment 5 of the buffering compatible deformation structure of sensing layer 2, there is data acquisition, data analysis and structure safety
Situation such as judges at the functions, can monitor in real time the deformation of Tunnel structure sheaf 1 and Tunnel Second Lining supporting construction layer 3 with
Carrying situation simultaneously carries out real-time judge, realizes the real time monitoring to tunnel structure safe condition；It can conserve and provide for tunnel operation
Completely liner supporting structure control information provides data supporting for tunnel maintenance management decision.
The buffering compatible deformation structure that the tunnel deformation coordinates in sensing layer 2 can be realized Tunnel structure with
Pressure is transmitted, can provide deformation space for Tunnel malformation between Tunnel Second Lining supporting construction, meanwhile,
Tunnel deformation can be changed into the skeleton structure that tunnel deformation coordinates sensing layer after coordinating sensing layer carrying, undertake load.Tunnel
The test equipment or device of compatibility of deformation sensing layer include but is not limited to that stress, strain (or displacement) and image measurement, data pass
It is defeated wired or wireless TTF transmission test facility can be used to be connect with wisdom sensory perceptual system.Wisdom sensing type tunnel-liner support structure
In, if both Tunnel structure sheaf and Tunnel Second Lining supporting construction layer can satisfy tunnel structure security needs
When, tunnel load is mainly undertaken by this two layers, and tunnel deformation coordinates sensing layer and tunnel lining structure safe condition is only used as to believe
Sensing layer is ceased, tunnel safety state is monitored in real time.Compatibility of deformation sensing layer 2 of the wisdom sensory perceptual system in tunnel is converted to
After bearing structure layer, perception information is mainly that tunnel deformation coordinates 2 self structure stress of sensing layer, the real time data of deformation condition
Acquisition is that tunnel-liner support structure is whole by the way that data are acquired with the safe condition with analytical judgment compatibility of deformation sensing layer 2
Safe condition, which is judged, provides data, provides data supporting for tunnel maintenance management.
The load that the three-decker of wisdom sensing type tunnel-liner support undertakes respectively calculates step:
(1) tunnel lining structure load F is determined according to Tunnel Engineering geological conditions.
(2) it is provided according to Tunnel Design specification, determines Tunnel structure and Tunnel Second Lining supporting construction lotus
Load shares ratio, specifies F1 and F3, F1+F3=F；Determine Tunnel structure and Tunnel Second Lining supporting construction thickness
H1、H3。
(3) consider Tunnel Engineering practice of construction situation, tunnel-liner support structural load variation range, determine preliminary bracing
Structure and Tunnel Second Lining supporting construction potential deformation coordinate range (loads change range) F13 or S13.
(4) according to Tunnel Engineering geology characteristic and Tunnel Engineering security risk situation, determine that tunnel deformation coordinates sensing layer 2
Potential reserved carrying F2 and corresponding minimum thickness S2；It specifies tunnel deformation and coordinates 2 design thickness H2 of sensing layer (H2 > S2+
S13)。
(5) sensing layer design thickness is coordinated according to tunnel deformation and each branch sheath presets payload values, determine compatibility of deformation
Distressed structure parameter and displacement, stress test equipment and indication range.
(6) spandrel of Tunnel Second Lining supporting construction layer and vault have the reserved slip casting for coordination structure supporting role
Hole 6 enhances the bearing capacity of liner structure, shares Tunnel structure, tunnel via reserved 6 casting concrete of injected hole
Road secondary lining supporting construction load.
Wisdom sensing type tunnel-liner support structural system design method, wisdom sensing type tunnel-liner support structure are divided into
Three layers: preliminary bracing structure sheaf 1, compatibility of deformation sensing layer 2 and secondary lining supporting construction layer 3.1. wisdom sensing type tunnel serves as a contrast
Building supporting construction, radially outside is preliminary bracing structure sheaf 1, and centre is compatibility of deformation sensing layer 2 and inside is secondary lining
Build supporting construction layer 3.2. 1 major function of preliminary bracing structure sheaf is: after realizing under set constructing tunnel engineering method to excavation
Exposed country rock quick closure and supporting guarantee that secondary lining applies the Tunnel Engineering safety before completing.3. compatibility of deformation sensing layer 2
It is the core of wisdom sensing type tunnel-liner support structure, is tunnel-liner support structure stress acquisition of information, is preliminary bracing
Structure provides deformation and adjusts the layer position of each layer supporting construction carrying；With compatible deformation (non-bearing), carrying, operation phase tunnel
Conserve the function of reinforcing.4. secondary lining supporting construction layer 3 is the fulcrum of tunnel-liner support structure, coordinate sense for tunnel deformation
Know that layer 2 provides support and tunnel primary load bearing structure layer.5. wisdom sensory perceptual system is wisdom sensing type tunnel-liner support knot
The brain of structure system, liner structure data real-time testing, acquisition and the analysis of charge tunnel life cycle management；Judge preliminary bracing
1 structure safe condition of structure sheaf, 3 stress of secondary lining supporting construction layer；According to Tunnel structure sheaf 1 and tunnel
The index parameter and compatibility of deformation Controlling principle of secondary liner structure layer 3 determine the function category of the compatibility of deformation sensing layer 2 in tunnel
Property.
In compatibility of deformation sensing layer 2 buffering compatible deformation structure 4 (have the function of increase resistance limit become, protection test equipment,
It is contemplated that arcuate structure), it is carried and is designed according to the secondary lining supporting construction layer 3 in the preliminary bracing structure sheaf 1 in tunnel and tunnel
With construction requirement, it can be realized pressure transmitting between Tunnel structure and Tunnel Second Lining supporting construction, can be tunnel
Road preliminary bracing malformation provides deformation space, meanwhile, tunnel can be changed into after the compatibility of deformation sensing layer 2 in tunnel carries
The skeleton structure of road compatibility of deformation sensing layer 2, undertakes load；2. the test equipment 5 in the compatibility of deformation sensing layer 2 in tunnel includes
But being not limited to stress, strain (or displacement) and image measurement, data transmission can be used wired or wireless TTF transmission test facility and intelligence
Intelligent sensory perceptual system connection；3. the concrete material that 2 later period of compatibility of deformation sensing layer in tunnel pours is to have self-compaction characteristic
Light high strength concrete material.
Wisdom sensing type tunnel-liner support structural system design method is as follows: 1. wisdom sensing type tunnel-liner support knot
The preliminary bracing structure sheaf 1 in tunnel, the compatibility of deformation sensing layer 2 in tunnel, Tunnel Second Lining supporting construction layer 3 three in structure system
Tunable deformation and stress, can also carry jointly between person；2. the compatibility of deformation in the preliminary bracing structure sheaf 1 in tunnel, tunnel perceives
The relationship change of 3 three of secondary lining supporting construction layer of layer 2, tunnel mainly passes through adjusting and controls the compatibility of deformation sense in tunnel
The function of layer 2 is known to realize；3. adjusting the foundation with 2 function of compatibility of deformation sensing layer in control tunnel by Tunnel knot
The structure safe condition of structure layer 1 and Tunnel Second Lining supporting construction layer 3 determines；4. Tunnel structure sheaf 1, tunnel two
The structure safe condition of secondary liner supporting structure sheaf 3 can by structural strength and structural load relationship or malformation total displacement according to
Relevant regulations or theory are determined.Tunnel structure sheaf 1, tunnel become in wisdom sensing type tunnel-liner support structure
Shape coordination sensing layer 2, the specific design objective parameter of 3 three of Tunnel Second Lining supporting construction layer should be true according to engineering practice
It is fixed.The coagulation local product of secondary lining supporting construction layer 3 uses high-grade concrete.
It is hereby stated that described above facilitate those skilled in the art understand that the invention, but not limit the present invention
The protection scope of creation.Any equivalent replacement described above, modification are improved without disengaging the invention substantive content
And/or delete numerous conform to the principle of simplicity and the implementation that carries out, each fall within the protection scope of the invention.
Claims (10)
1. wisdom sensing type tunnel-liner support structural system, which is characterized in that radially compatibility of deformation sensing layer is located at
Between preliminary bracing structure sheaf and secondary lining supporting construction layer.
2. wisdom sensing type tunnel-liner support structural system according to claim 1, which is characterized in that the deformation association
Adjusting sensing layer includes several buffering compatible deformation structures being circumferentially distributed, and the buffering compatible deformation structure is embedded in described
Between preliminary bracing structure sheaf and the secondary lining supporting construction layer, tester is provided in the buffering compatible deformation device
Device.
3. wisdom sensing type tunnel-liner support structural system according to claim 2, which is characterized in that the tester
Device connects wisdom sensory perceptual system by wired or wireless transmitting device, and the wisdom sensory perceptual system includes data acquisition module, number
Module is judged according to analysis module and structure safe condition.
4. wisdom sensing type tunnel-liner support structural system according to claim 3, which is characterized in that the data are adopted
Collect modules acquiring data include Tunnel structural internal force data, deformation or displacement data, Tunnel structure with
Pressure data between Tunnel Second Lining supporting construction, Tunnel Second Lining Internal force of support structure data and tunnel deformation are coordinated
Sensing layer shrinkage data；The data analysis module integrating tunnel preliminary bracing malformation or displacement data, or use and take the photograph
As technology apparently carries out observing and controlling to Tunnel structure, deformation state and trend to Tunnel structure carry out pre-
It surveys；The structure safe condition judges module according to each structure sheaf index parameter in tunnel and material parameter and test data, realizes
Judge to each layer liner supporting structure safe condition in tunnel.
5. wisdom sensing type tunnel-liner support structural system according to claim 2, which is characterized in that the tester
Device includes stress test, strain or displacement measurement and image measurement.
6. wisdom sensing type tunnel-liner support structural system according to claim 1, which is characterized in that the secondary lining
The spandrel and vault for building supporting construction layer have the reserved injected hole for coordination structure supporting role, the reserved injected hole connection
The compatibility of deformation sensing layer.
7. wisdom sensing type tunnel-liner support structural system according to claim 6, which is characterized in that when the initial stage
When both supporting construction layer and secondary lining supporting construction layer can satisfy tunnel structure security needs, tunnel load is mainly by this
The two undertakes, and the compatibility of deformation sensing layer is as tunnel lining structure safety state information sensing layer, to tunnel safety shape
State carries out implementing monitoring, and provides deformation space for Tunnel malformation；When the preliminary bracing structure sheaf becomes
When shape rate accelerates, or without tending towards stability trend or liner supporting structure sheaf is in unstability shape or the secondary lining supporting knot
When the carrying of structure layer exceeds a certain range without being able to satisfy security needs, then the compatibility of deformation sensing layer passes through the reserved slip casting
Hole joints cement slurries or concrete material are converted to tunnel bearing structure layer, participate in tunnel carrying, share the preliminary bracing
Structure sheaf and the secondary lining supporting construction layer load, to ensure tunnel structure safety.
8. wisdom sensing type tunnel-liner support structural system according to claim 6, which is characterized in that the secondary lining
The spandrel and vault for building supporting construction layer have the reserved injected hole for coordination structure supporting role, pour via reserved injected hole
Concrete enhances the bearing capacity of liner structure, shares Tunnel structure, Tunnel Second Lining supporting construction load；
The concrete material is the light high strength concrete material for having self-compaction characteristic.
9. wisdom sensing type tunnel-liner support structural system according to claim 8, which is characterized in that the tunnel two
Before secondary liner structure design strength is not up to, the function that the tunnel deformation coordinates sensing layer is mainly that initial stage liner supporting layer mentions
For deformation space；After the Tunnel Second Lining structure design strength reaches, the Tunnel structure sheaf deformation becomes
In stabilization and when being less than Tunnel structural bearing range, the tunnel deformation coordinates the function of sensing layer still with first
Phase liner supporting structure is provided based on deformation space；If the Tunnel structure sheaf deformation continues to increase, preliminary bracing
When structural-load-carrying capacity has been unable to meet or when Tunnel Second Lining supporting construction layer is not able to satisfy security needs, or deformation association
When sensing layer thickness being adjusted to reach predetermined minimum, casting concrete is carried out to compatibility of deformation sensing layer, becomes bearing structure
Layer.
10. wisdom sensing type tunnel-liner support structural system according to claim 1, which is characterized in that the wisdom
For sensory perceptual system after the compatibility of deformation sensing layer in tunnel is converted to bearing structure layer, perception information is mainly that tunnel deformation coordinates sense
The real-time data acquisition for knowing a layer self structure stress, deformation condition, by acquiring to data and analyzing and determining compatibility of deformation perception
The safe condition of layer, provides data for tunnel-liner support structure general safety state-evaluation, provides number for tunnel maintenance management
According to support.
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| CN111271108B (en) * | 2020-03-12 | 2021-07-06 | 防灾科技学院 | Anchor rod cable series-parallel coordination support system capable of realizing load transfer |
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| CN113153352A (en) * | 2021-02-02 | 2021-07-23 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Underground structure capable of preventing deformation of goaf and construction method |
| CN113153352B (en) * | 2021-02-02 | 2022-12-06 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 | Underground structure capable of preventing deformation of goaf and construction method |
| CN113432769A (en) * | 2021-07-23 | 2021-09-24 | 中国建筑第七工程局有限公司 | Contact load testing device and method for tunnel lining and supporting structure |
| CN113432769B (en) * | 2021-07-23 | 2023-01-20 | 中国建筑第七工程局有限公司 | Contact load testing device and method for tunnel lining and supporting structure |
| CN116906125A (en) * | 2023-09-06 | 2023-10-20 | 四川高速公路建设开发集团有限公司 | Soft rock tunnel safety monitoring method and system based on data synchronous transmission algorithm |
| CN116906125B (en) * | 2023-09-06 | 2023-12-29 | 四川高速公路建设开发集团有限公司 | Soft rock tunnel safety monitoring method and system based on data synchronous transmission algorithm |
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